Belgian Beer and Mussel Mania @ Schlafly Tap Room
Mussels are flown in all the way from Penn Cove for this annual event, featuring Washington- and Belgian-style ales brewed by Schlafly and live music from Brown Bottle Fever and Lucky Dog Band. No cover. Friday and Saturday from 5 to 9 p.m.

Shrimp and Scallop Festival @ Broadway Oyster Bar
Chef Brad Hagen features ten different shrimp and scallop specialties available to order, including coconut shrimp, bacon-wrapped shrimp or scallops, and Caribbean jerk shrimp. There's plenty of live music all weekend from Butch Moore, the Revivalists and others. $10 cover. Friday from 6 to 11 p.m. and Saturday from noon to 11 p.m.

Everything's Peachy Fest @ O'Fallon Farmers' Market
Celebrate the O'Fallon Farmers' Market's high season with local peachy produce and products, an original oil artwork exhibit, yoga with Jane's House of Yoga from 9 to 10 a.m. and more. Free admission. 8 a.m. to noon.

Tour D'onut @ Independent St. Louis doughnut shops
Cyclists will depart from John Donut (1618 South Broadway) at 9 a.m. to explore independent St. Louis donut shops on bicycle. Stops include Donut Drive-In, World's Fair Donuts and more. The bike ride ends in a reception in a grassy lot next to 4209 Blaine in the Botanical Heights/McRee Town neighborhood with whiffle-ball, doughnut -themed awards and music and a chance to hydrate. Riders are encouraged to wear doughnut-inspired costumes. Free. 8 a.m.

Zombie Squad vs. Hunger: The Day the Music Un-Died @ The Heavy Anchor
The Zombie Squad, an international disaster prevention and awareness organization based out of St. Louis, hosts a special canned food drive to benefit Operation Food Search. The History Channel will be on-hand to film the event, which features live music from four un-dead bands, raffles, photo-ops and a visit from a haunted house's hearse. Cover is $5 or 10 canned food items. 8 p.m. to 1:30 a.m.

City-Wide Open Studios / SLOUP @ Contemporary Art Museum St. Louis
SLOUP is a monthly soup dinner in St. Louis that supports projects, primarily artistic or communicative, that need a little funding and belief. During the meal, submitted artist proposals will be distributed and guests are encouraged to read, discuss and vote on a winning proposal. Your $10 donation directly funds the winning artist's project. $10. 2 to 4 p.m.